So, just suppose you work in one of those outfits, and we know are targetted for certain. And said outfit employs at least one Russian ex-pat. One in particular who is extremely vocally anti Putin?
I have no reason to distrust the public sentiment, but how is anyone to know if it's a front? Carefully placed for multiple years?
Paranoia and what ifs are how the Stasi became so powerful, and we have to avoid that. So what is a reasonable control measure and how can we put it in place?
A/C for very obvious.